from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Excessive concern with outer circumstances or appearances.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Excessive regard to outward acts or appearances, especially in religion. The denial of internalism.
- n. The act of judging by outward appearance or acts.
- n. The belief that only things that can be observed by senses are real.
from the GNU version of the Collaborative International Dictionary of English
- n. The quality of being manifest to the senses; external acts or appearances; regard for externals.
- n. That philosophy or doctrine which recognizes or deals only with externals, or objects of sense perception; positivism; phenomenalism.
from The Century Dictionary and Cyclopedia
- n. Same as phenomenalism.
- n. Attention or devotion to externals; especially, undue regard to externals, as of religion.
c. 1840 external + -ism (Wiktionary)